公开(公告)号：US4810295A

公开(公告)日：1989-03-07

申请号：US111646

申请日：1987-10-23

申请人： Toshiharu Yagi ,  Yoshihide Higashihata ,  Hiromichi Sakuma ,  Yoshito Tanaka ,  Jouji Saito ,  Minako Inomata ,  Torahiko Nagano ,  Takashi Nishioka ,  Sumiko Yubara

发明人： Toshiharu Yagi ,  Yoshihide Higashihata ,  Hiromichi Sakuma ,  Yoshito Tanaka ,  Jouji Saito ,  Minako Inomata ,  Torahiko Nagano ,  Takashi Nishioka ,  Sumiko Yubara

IPC分类号： A61K6/10 ,  C08L5/04 ,  C08L1/00 ,  C08L1/26

CPC分类号： C08L5/04 ,  A61K6/10

摘要： The present invention provides an impression composition of the alginate type which comprises (a) an alginate, (b) calcium sulfate and/or lead silicate, and (c) a filler as its main components and which is characterized in that the alginate component comprises in combination an alginate having a distribution of molecular weights in a lower range and an alginate having a distribution of molecular weights in a higher range.